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translation of math statement

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walker
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translation of math statement [#permalink] New post   28 May 2008, 05:45
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Guys, how is it correctly expressed in symbols?

x times x equals 5x

Is it \(x^x=5x\) ?



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Re: translation of math statement [#permalink] New post   28 May 2008, 05:52
walker wrote:
Guys, how is it correctly expressed in symbols?

x times x equals 5x

Is it \(x^x=5x\) ?


Either xx=5x or x^2=5x
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Re: translation of math statement [#permalink] New post   28 May 2008, 09:09
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yes, x*x sounds right.....
Thanks!
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Re: translation of math statement [#permalink] New post   28 May 2008, 09:17
I doubt the GMAT will throw something like x^x but who knows.....
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Re: translation of math statement [#permalink] New post   28 May 2008, 09:24
Even if GMAC did give \(x^x = 5x\), wouldn't it be the following?

\(x^{x-1} = 5\) Not sure it can be reduced further or solved.

walker wrote:
Guys, how is it correctly expressed in symbols?

x times x equals 5x

Is it \(x^x=5x\) ?
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Re: translation of math statement [#permalink] New post   Updated on: 29 May 2008, 21:44
walker wrote:
Guys, how is it correctly expressed in symbols?

x times x equals 5x

Is it \(x^x=5x\) ?


walker, you mentioned "times". if so, it should be

x * x = 5x
x^2 - 5x = 0
x = 0 or 5

i do not understand why you guys are doing x^x = 5x?

Originally posted by GMAT TIGER on 28 May 2008, 22:08.
Last edited by GMAT TIGER on 29 May 2008, 21:44, edited 1 time in total.
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Re: translation of math statement [#permalink] New post   28 May 2008, 23:47
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GMAT TIGER wrote:
i do not understand why you guys are doing x^x = 5?

non-native speaker feature :)



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Re: translation of math statement [#permalink]
28 May 2008, 23:47
Moderator:
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